<template>
  <div>
    <div style="margin: 10px 0">
      <label for="name" class="search-label">名称</label>
      <el-input
        style="width: 200px"
        placeholder="请输入名称"
        suffix-icon="el-icon-search"
        v-model="name"
      ></el-input>
      <el-button
        type="primary"
        icon="el-icon-search"
        @click="load"
        style="margin-left: 10px"
        >搜索</el-button
      >
      <el-button icon="el-icon-refresh" @click="reset">重置</el-button>
    </div>

    <div style="margin: 10px 0">
      <el-button
        type="primary"
        plain
        icon="el-icon-plus"
        size="mini"
        @click="handleAdd(null)"
        >新增</el-button
      >
      <el-popconfirm
        class="ml-5"
        confirm-button-text="确定"
        cancel-button-text="我再想想"
        icon="el-icon-info"
        icon-color="red"
        title="您确定批量删除这些数据吗？"
        @confirm="delBatch"
      >
        <el-button type="danger" slot="reference" plain icon="el-icon-delete" size="mini"
          >批量删除</el-button
        >
      </el-popconfirm>
      <!--      <el-upload action="http://localhost:9090/user/import" :show-file-list="false" accept="xlsx" :on-success="handleExcelImportSuccess" style="display: inline-block">-->
      <!--        <el-button type="primary" class="ml-5">导入 <i class="el-icon-bottom"></i></el-button>-->
      <!--      </el-upload>-->
      <!--      <el-button type="primary" @click="exp" class="ml-5">导出 <i class="el-icon-top"></i></el-button>-->
    </div>

    <el-table
      :data="tableData"
      row-key="id"
      default-expand-all
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="55" align="center"></el-table-column>
      <el-table-column prop="id" label="ID" width="80" align="center"></el-table-column>
      <el-table-column prop="name" label="名称" align="center"></el-table-column>
      <el-table-column prop="path" label="路由路径" align="center"></el-table-column>
      <el-table-column prop="pagePath" label="路由名称" align="center"></el-table-column>
      <el-table-column
        label="图标"
        class-name="fontSize18"
        align="center"
        label-class-name="fontSize12"
      >
        <template slot-scope="scope">
          <span :class="scope.row.icon" />
        </template>
      </el-table-column>
      <el-table-column prop="description" label="描述" align="center"></el-table-column>
      <el-table-column prop="sortNum" label="顺序" align="center"></el-table-column>
      <el-table-column label="操作" width="300" align="center">
        <template slot-scope="scope">
          <el-button
            type="primary"
            @click="handleAdd(scope.row.id)"
            v-if="!scope.row.pid && !scope.row.path"
            plain
            >新增子菜单 <i class="el-icon-plus"></i
          ></el-button>
          <el-button
            type="success"
            @click="handleEdit(scope.row)"
            plain
            icon="el-icon-edit"
            >编辑</el-button
          >
          <el-popconfirm
            class="ml-5"
            confirm-button-text="确定"
            cancel-button-text="我再想想"
            icon="el-icon-info"
            icon-color="red"
            title="您确定删除吗？"
            @confirm="del(scope.row.id)"
          >
            <el-button type="danger" slot="reference" plain icon="el-icon-delete"
              >删除</el-button
            >
          </el-popconfirm>
        </template>
      </el-table-column>
    </el-table>

    <el-dialog title="菜单信息" :visible.sync="dialogFormVisible" width="30%">
      <el-form ref="form" :model="form" :rules="rules" label-width="80px" size="small">
        <el-form-item label="名称" prop="name">
          <el-input v-model="form.name" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="路由路径" prop="path">
          <el-input v-model="form.path" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="路由名称" prop="pagePath">
          <el-input v-model="form.pagePath" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="图标">
          <el-select
            clearable
            v-model="form.icon"
            placeholder="请选择"
            style="width: 100%"
          >
            <el-option
              v-for="item in options"
              :key="item.name"
              :label="item.name"
              :value="item.value"
            >
              <i :class="item.value" /> {{ item.name }}
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="顺序">
          <el-input v-model="form.sortNum" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="描述">
          <el-input v-model="form.description" autocomplete="off"></el-input>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取 消</el-button>
        <el-button type="primary" @click="save">确 定</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { serverIp } from "../../public/config";

export default {
  name: "Menu",
  data() {
    return {
      rules: {
        name: [{ required: true, message: "菜单名称不能为空", trigger: "blur" }],
        path: [{ required: true, message: "路由路径不能为空", trigger: "blur" }],
        pagePath: [{ required: true, message: "路由名称不能为空", trigger: "blur" }],
      },
      tableData: [],
      total: 0,
      pageNum: 1,
      pageSize: 10,
      name: "",
      form: {},
      dialogFormVisible: false,
      multipleSelection: [],
      options: [],
    };
  },
  created() {
    this.load();
  },
  methods: {
    load() {
      this.request
        .get("/menu", {
          params: {
            name: this.name,
          },
        })
        .then((res) => {
          this.tableData = res.data;
        });

      // 请求图标的数据
      this.request.get("/menu/icons").then((res) => {
        this.options = res.data;
      });
    },
    save() {
      this.$refs["form"].validate((valid) => {
        if (valid) {
          this.request.post("/menu", this.form).then((res) => {
            if (res.code === "200") {
              this.$message.success("保存成功");
              this.dialogFormVisible = false;
              this.load();
            } else {
              this.$message.error("保存失败");
            }
          });
        }
      });
    },
    handleAdd(pid) {
      this.dialogFormVisible = true;
      this.form = {};
      if (pid) {
        this.form.pid = pid;
      }
    },
    handleEdit(row) {
      this.form = JSON.parse(JSON.stringify(row));
      this.dialogFormVisible = true;
    },
    del(id) {
      this.request.delete("/menu/" + id).then((res) => {
        if (res.code === "200") {
          this.$message.success("删除成功");
          this.load();
        } else {
          this.$message.error("删除失败");
        }
      });
    },
    handleSelectionChange(val) {
      console.log(val);
      this.multipleSelection = val;
    },
    delBatch() {
      let ids = this.multipleSelection.map((v) => v.id); // [{}, {}, {}] => [1,2,3]
      this.request.post("/menu/del/batch", ids).then((res) => {
        if (res.code === "200") {
          this.$message.success("批量删除成功");
          this.load();
        } else {
          this.$message.error("批量删除失败");
        }
      });
    },
    reset() {
      this.name = "";
      this.load();
    },
    handleSizeChange(pageSize) {
      console.log(pageSize);
      this.pageSize = pageSize;
      this.load();
    },
    handleCurrentChange(pageNum) {
      console.log(pageNum);
      this.pageNum = pageNum;
      this.load();
    },
    exp() {
      window.open(`http://${serverIp}:9090/role/export`);
    },
    handleExcelImportSuccess() {
      this.$message.success("导入成功");
      this.load();
    },
  },
};
</script>

<style>
.headerBg {
  background: #eee !important;
}
.fontSize18 {
  font-size: 18px;
}
.fontSize12 {
  font-size: 12px;
}
.search-label {
  font-size: 14px;
  color: #606266;
  margin-right: 7px;
  margin-left: 10px;
}
</style>
